<template>
    <div class="app-container">

        <!-- 顶部 Header 区域 -->
        <mt-header fixed title="Vue实战项目">
              <span slot="left" @click="goback" v-show="flag">
                <mt-button icon="back">返回</mt-button>
              </span>
            </mt-header>
        </mt-header>

        <!-- 中间路由 router-view 区域 -->
        <transition >
            <router-view></router-view>
        </transition>


        <!-- 底部 Tabber 区域 -->
        <nav class="mui-bar mui-bar-tab">
            <router-link class="mui-tab-item-change" to="/home">
                <span class="mui-icon mui-icon-home"></span>
                <span class="mui-tab-label">首页</span>
            </router-link>
            <router-link class="mui-tab-item-change" to="/member">
                <span class="mui-icon mui-icon-contact"></span>
                <span class="mui-tab-label">会员</span>
            </router-link>
            <router-link class="mui-tab-item-change" to="/shopcar">
                <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
                    <span class="mui-badge" id="badge">{{ $store.getters.getCartCount}}</span>
                </span>
                <span class="mui-tab-label">购物车</span>
            </router-link>
            <router-link class="mui-tab-item-change" to="/search">
                <span class="mui-icon mui-icon-search"></span>
                <span class="mui-tab-label">搜索</span>
            </router-link>
        </nav>

    </div>
</template>

<script>
export default{
    data(){
        return{
            flag:false
        }
    },
    created(){
        this.flag = this.$route.path === '/home' ? false : true;
    },
    methods:{
        goback(){
            this.$router.go(-1);
        }
    },
    watch:{
        '$route.path':function(newVal){
            if(newVal == '/home')
                this.flag = false;
            else
                this.flag = true;
        }
    }

}
</script>

<style scoped="">
.mint-header{
    z-index: 99;
}

.app-container{
    padding-top: 40px;
    padding-bottom: 50px;
    overflow-x:hidden;
}


.v-enter{
    opacity: 0;
    transform: translateX(100%);
}
.v-leave-to{
    opacity: 0;
    transform: translateX(-100%);
    position: absolute;
}

.v-enter-active,
.v-leave-active{
    transition: all .4s ease;
}

/*改类名，解决底部tabber无法点击切换的问题*/
.mui-bar-tab .mui-tab-item-change {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-change .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-change .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
.mui-bar-tab .mui-tab-item-change.mui-active {
    color: #007aff;
}


</style>